#include <iostream>
#include <fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");

int main()
{
    int sc,smax,x,n,t=2,smin=1000000,st=0,drmax=0,stmax=0,k;
    smax=-1000000;
    f>>n>>k;
    for(int i=1; i<=n; i++)
    {
        f>>x;
        if(sc<0)
            {
            sc=0;
            st=i;
            }
        sc+=x;
        if(sc>=smax&&i-st+1>=k)
        {
            smax=sc;
            stmax=st;
            drmax=i;
        }
    }
    g<<stmax<<" "<<drmax<<" "<<smax;
}